Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11697441 | Railcar end unit | Kevin G. Johnson, Andrew Allen Johnson | 2023-07-11 |
| 10737706 | Railcar end unit | Kevin G. Johnson, Andrew Allen Johnson | 2020-08-11 |
| 9868453 | Railcar end unit | Kevin G. Johnson, Andrew Allen Johnson | 2018-01-16 |